#include <stdio.h>

int main ()
{

    int number = 0 ;

    scanf ("%d" , &number) ;

    if (number % 2 == 1)
    {

        printf ("%d 是奇数\n" , number) ;

    }

    else
    {

        printf ("%d 是偶数\n" , number) ;
        
    }

    return 0 ;

}